Improve initial_stuff

mods/ctf/ctf_classes/items.lua

@@ -58,6 +58,8 @@ ctf_classes.register_on_changed(function(player, old, new)
 		for i = 1, #items do
 			give_initial_stuff.give_item(inv, ItemStack(items[i]))
 		end
+
+		give_initial_stuff(player, "replace_tools")
 	end
 end)
 

mods/other/give_initial_stuff/init.lua

@@ -1,7 +1,43 @@
 give_initial_stuff = {}
 
+local tools = {"default:sword_", "default:pick_", "default:axe_", "default:shovel_"}
+local tool_materials = {"stone", "steel", "bronze", "mese", "diamond"}
+
 -- Add item to inv. Split item if count > stack_max using recursion
 function give_initial_stuff.give_item(inv, item)
+	-- Remove any lower tier tools of the same type as the item
+	for _, tool in pairs(tools) do
+		if item:get_name():find(tool) then -- Find what tool the new item is
+			-- Get the 'tier' of the new item
+			local newtier = table.indexof(tool_materials, item:get_name():sub(tool:len() + 1))
+
+			for tier, mat in ipairs(tool_materials) do
+				if tier < newtier then
+					inv:remove_item("main", tool..mat) -- Will do nothing if tool doesn't exist
+				elseif inv:contains_item("main", tool..mat) then
+					return -- A higher tier tool is already in inventory
+				end
+			end
+		end
+	end
+
+	-- Don't duplicate stacks
+	if inv:contains_item("main", item:get_name()) then
+		local safeguard = 1
+		-- Do a fast refill of stack if needed
+		while not inv:contains_item("main", item:get_name().." "..item:get_stack_max()-5) do
+			safeguard = safeguard + 1
+			inv:add_item("main", item:get_name().." 5")
+
+			if safeguard >= 500 then
+				minetest.log("error", "[give_initial_stuff] Something went wrong when filling stack "..dump(item:get_name()))
+				break
+			end
+		end
+
+		return
+	end
+
 	inv:add_item("main", item:take_item(item:get_stack_max()))
 
 	-- If item isn't empty, add the leftovers again
@@ -11,23 +47,34 @@ function give_initial_stuff.give_item(inv, item)
 end
 
 setmetatable(give_initial_stuff, {
-	__call = function(self, player)
+	__call = function(self, player, mode)
 		minetest.log("action", "Giving initial stuff to player "
 				.. player:get_player_name())
 		local inv = player:get_inventory()
+
+		if mode ~= "replace_tools" then
 			inv:set_list("main",  {})
 			inv:set_list("craft", {})
 
 			inv:set_size("craft", 1)
 			inv:set_size("craftresult", 0)
 			inv:set_size("hand", 0)
+		end
 
 		local items = give_initial_stuff.get_stuff(player)
 
 		for _, item in pairs(items) do
+			if mode == "replace_tools" then
+				for _, tool in pairs(tools) do
+					if item:find(tool) then
 						give_initial_stuff.give_item(inv, ItemStack(item))
 					end
 				end
+			else
+				give_initial_stuff.give_item(inv, ItemStack(item))
+			end
+		end
+	end
 })
 
 local registered_stuff_providers = {}